Side by side

Grand Seiko SLGW007vsNOMOS Glashütte Tetra 27 duo

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

SLGW007
Grand SeikoSLGW007
MSRP $10,000
Tetra 27 duo
NOMOS GlashütteTetra 27 duo
MSRP $2,090

At a glance

16 of 29 specs differ
Diameter
SLGW00738.6mm
Tetra 27 duo27.5mm
Power Reserve
SLGW00780h
Tetra 27 duo53 hoursh
Water Resistance
SLGW00730m
Tetra 27 duo50m
MSRP
SLGW007$10,000
Tetra 27 duo$2,090

Full specifications

Case

7 specs
Diameter
38.6mm
27.5mm
Thickness
9.95mm
6.1mm
Lug-to-Lug
45mm
38.5mm
Lug Width
20mm
18mm
Finish
Brushed and polished
Water Resistance
30m
50m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
White
Indices
Applied

Movement

4 specs
Caliber
9SA4
DUW 4001
Beat Rate
28,800 vph
21,600 vph
Power Reserve
80h
53 hoursh
Jewels
25
17

Pricing

1 specs
MSRP
$10,000
$2,090

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Grand Seiko SLGW007

Grand Seiko SLGW007 owners and reviewers praise its compact 38.6mm x 9.95mm Evolution 9 case and the textured "Moonlit Birch" dial, described as moody, elegant, and captivating. The technically credible 9SA4 hand-wound movement with an 80-hour power reserve is also highlighted. Its 30m water resistance and lack of lume are noted as appropriate for a dress watch. Overall, owners and reviewers rate the Grand Seiko SLGW007 highly for its refined case, captivating dial, and updated movement.

NOMOS Glashütte Tetra 27 duo

Owners widely praise the NOMOS Glashütte Tetra 27 duo for its ideal small and light wearing dimensions, beautiful dial that shifts with lighting, and gorgeous blued hands, with some finding its 27mm size perfect for vintage preferences. The watch is noted for its precise, Art Deco-inspired design and good finishing. However, some owners and reviewers consider the 27.5mm size too small, labeling it a women's watch, though others find it unisex and note its square shape can make it wear larger. One owner flags the buckle as disappointingly generic and the grey suede strap as prone to getting dirty. Overall, owners and reviewers highly regard the NOMOS Glashütte Tetra 27 duo for its elegant design and comfortable wearability at its price point.

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